import pytest
from httpx import AsyncClient


@pytest.fixture
async def auth_headers(client: AsyncClient):
    resp = await client.post("/api/v1/auth/register", json={
        "email": "notifuser@example.com",
        "username": "notifuser",
        "password": "testpass123",
    })
    assert resp.status_code == 201
    return {"Authorization": f"Bearer {resp.json()['access_token']}"}


async def test_list_notifications_empty(client: AsyncClient, auth_headers: dict):
    resp = await client.get("/api/v1/notifications/", headers=auth_headers)
    assert resp.status_code == 200
    data = resp.json()
    assert data["notifications"] == []
    assert data["unread_count"] == 0


async def test_unread_count(client: AsyncClient, auth_headers: dict):
    resp = await client.get("/api/v1/notifications/unread-count", headers=auth_headers)
    assert resp.status_code == 200
    assert resp.json()["count"] == 0


async def test_mark_all_read(client: AsyncClient, auth_headers: dict):
    resp = await client.post("/api/v1/notifications/mark-all-read", headers=auth_headers)
    assert resp.status_code == 200
    assert resp.json()["marked"] == 0


async def test_mark_nonexistent_read(client: AsyncClient, auth_headers: dict):
    resp = await client.patch(
        "/api/v1/notifications/00000000-0000-0000-0000-000000000000/read",
        headers=auth_headers,
    )
    assert resp.status_code == 404


async def test_unauthenticated(client: AsyncClient):
    resp = await client.get("/api/v1/notifications/")
    assert resp.status_code == 401